Bypass size limit by splitting big files on client’s side using HTML5 file API

[jirafeau_project.git] / script.php

diff --git a/script.php b/script.php
index 6fd862685eb269c94f97a5c8e8e1055b30951bef..ad354a5695b909072f57b37adcd74f796758eee7 100755 (executable)
--- a/script.php
+++ b/script.php
@@ -135,6 +135,47 @@ if ($_SERVER['REQUEST_METHOD'] == "GET" && count ($_GET) == 0)
     foreach ($script_langages as $lang => $name)\r
         echo "$name: <a href=\"" . $web_root . "script.php?lang=$lang\">" . $web_root . "script.php?lang=$lang</a> ";\r
     echo '</p>';\r
+    \r
+    echo '<h3>' . t('Initalize a asynchronous transfert') . ':</h3>';\r
+    echo '<p>';\r
+    echo t('The goal is to permit to transfert big file, chunk by chunk.') . ' ';\r
+    echo t('Chunks of data must be sent in order.');\r
+    echo '</p>';\r
+    echo '<p>';\r
+    echo t('Send a GET query to') . ': <i>' . $web_root . 'script.php?init_async</i><br />';\r
+    echo '<br />';\r
+    echo t('Parameters') . ':<br />';\r
+    echo "<b>filename=</b>file_name.ext<i> (" . t('Required') . ")</i> <br />";\r
+    echo "<b>type=</b>MIME_TYPE<i> (" . t('Optional') . ")</i> <br />";\r
+    echo "<b>time=</b>[minute|hour|day|week|month|none]<i> (" . t('Optional') . ', '. t('default: none') . ")</i> <br />";\r
+    echo "<b>password=</b>your_password<i> (" . t('Optional') . ")</i> <br />";\r
+    echo "<b>one_time_download=</b>1<i> (" . t('Optional') . ")</i> <br />";\r
+    echo '</p>';\r
+    echo '<p>' . t('This will return brut text content.') . ' ' .\r
+         t('First line is the asynchronous transfert reference and the second line the code to use in the next operation.') . '<br /></p>';\r
+\r
+    echo '<h3>' . t('Push data during asynchronous transfert') . ':</h3>';\r
+    echo '<p>';\r
+    echo t('Send a GET query to') . ': <i>' . $web_root . 'script.php?push_async</i><br />';\r
+    echo '<br />';\r
+    echo t('Parameters') . ':<br />';\r
+    echo "<b>ref=</b>async_reference<i> (" . t('Required') . ")</i> <br />";\r
+    echo "<b>data=</b>data_chunk<i> (" . t('Required') . ")</i> <br />";\r
+    echo "<b>code=</b>last_provided_code<i> (" . t('Required') . ")</i> <br />";\r
+    echo '</p>';\r
+    echo '<p>' . t('This will return brut text content.') . ' ' .\r
+         t('Returns the next code to use.') . '<br /></p>';\r
+\r
+    echo '<h3>' . t('Finalize asynchronous transfert') . ':</h3>';\r
+    echo '<p>';\r
+    echo t('Send a GET query to') . ': <i>' . $web_root . 'script.php?end_async</i><br />';\r
+    echo '<br />';\r
+    echo t('Parameters') . ':<br />';\r
+    echo "<b>ref=</b>async_reference<i> (" . t('Required') . ")</i> <br />";\r
+    echo "<b>code=</b>last_provided_code<i> (" . t('Required') . ")</i> <br />";\r
+    echo '</p>';\r
+    echo '<p>' . t('This will return brut text content.') . ' ' .\r
+         t('First line is the download reference and the second line the delete code.') . '<br /></p>';\r
 \r
     echo '</div><br />';\r
     require (JIRAFEAU_ROOT . 'lib/template/footer.php');\r
@@ -238,11 +279,19 @@ elseif (isset ($_GET['h']))
         exit;\r
     }\r
 \r
+    /* Read file. */\r
     header ('Content-Length: ' . $link['file_size']);\r
     header ('Content-Type: ' . $link['mime_type']);\r
     header ('Content-Disposition: attachment; filename="' .\r
             $link['file_name'] . '"');\r
-    readfile (VAR_FILES . $p . $link['md5']);\r
+\r
+    $r = fopen (VAR_FILES . $p . $link['md5'], 'r');\r
+    while (!feof ($r))\r
+    {\r
+        print fread ($r, 1024);\r
+        ob_flush();\r
+    }\r
+    fclose ($r);\r
 \r
     if ($link['onetime'] == 'O')\r
         jirafeau_delete_link ($link_name);\r
@@ -393,7 +442,75 @@ fi
         exit;\r
     }\r
 }\r
+/* Initialize an asynchronous upload. */\r
+elseif (isset ($_GET['init_async']))\r
+{\r
+    if (!isset ($_POST['filename']))\r
+    {\r
+        echo "Error";\r
+        exit;\r
+    }\r
+\r
+    $type = '';\r
+    if (isset ($_POST['type']))\r
+        $type = $_POST['type'];\r
+    \r
+    $key = '';\r
+    if (isset ($_POST['password']))\r
+        $key = $_POST['password'];\r
+\r
+    $time = time ();\r
+    if (!isset ($_POST['time']))\r
+        $time = JIRAFEAU_INFINITY;\r
+    else\r
+        switch ($_POST['time'])\r
+        {\r
+            case 'minute':\r
+                $time += JIRAFEAU_MINUTE;\r
+                break;\r
+            case 'hour':\r
+                $time += JIRAFEAU_HOUR;\r
+                break;\r
+            case 'day':\r
+                $time += JIRAFEAU_DAY;\r
+                break;\r
+            case 'week':\r
+                $time += JIRAFEAU_WEEK;\r
+                break;\r
+            case 'month':\r
+                $time += JIRAFEAU_MONTH;\r
+                break;\r
+            default:\r
+                $time = JIRAFEAU_INFINITY;\r
+                break;\r
+        }\r
+    echo jirafeau_async_init ($_POST['filename'],\r
+                                     $type,\r
+                                     isset ($_POST['one_time_download']),\r
+                                     $key,\r
+                                     $time,\r
+                                     $_SERVER['REMOTE_ADDR']);\r
+}\r
+/* Continue an asynchronous upload. */\r
+elseif (isset ($_GET['push_async']))\r
+{\r
+    if ((!isset ($_POST['ref']))\r
+        || (!isset ($_FILES['data']))\r
+        || (!isset ($_POST['code'])))\r
+        echo "Error";\r
+    else\r
+        echo jirafeau_async_push ($_POST['ref'], $_FILES['data'], $_POST['code']);                                      \r
+}\r
+/* Finalize an asynchronous upload. */\r
+elseif (isset ($_GET['end_async']))\r
+{\r
+    if (!isset ($_POST['ref'])\r
+        || !isset ($_POST['code']))\r
+        echo "Error";\r
+    else\r
+        echo jirafeau_async_end ($_POST['ref'], $_POST['code']);\r
+}\r
 else\r
     echo "Error";\r
 exit;\r
-?>
\ No newline at end of file
+?>\r